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本文对2004年北京市2-6岁儿童精神残疾调查中确诊的广泛发育障碍儿童进行病例对照研究,确定广泛发育障碍的危险因素。1对象与方法1.1对象2004年北京市2-6岁儿童精神残疾现况调查中确诊的所有广泛发育障碍儿童(详见本期290页,包括克氏评分≥7分16人,7分10人)及3名同期进行的0-1
In this paper, a case-control study was conducted on children with extensive developmental disabilities diagnosed in the survey of mental disability of children aged 2-6 years in Beijing in 2004 to determine the risk factors of extensive developmental disorders. 1 Subjects and Methods 1.1 Subjects All children with extensive developmental disabilities diagnosed in the survey of mental disability of children aged 2-6 years in Beijing in 2004 (see page 290 of this issue for details, including Keshi score ≥7 points and 16 persons, 7 points and 10 persons ) And 3 over the same period 0-1